21 SCHEMATIC DIAGRAM (KX-TEA308NE)
21.1. MAIN No.1 (Extention A-D Block)
1/4
KX-TEA308
NE
MAIN NO.1 (1/4)
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(1
1)
33K
R207D
ZNR202D
ZNR201D
D205D
50V/4.7u
C205D
Q200D
E
C
B
4
ZNR200D
0.01u
C201D
47K
R215D
0.039u
C206D
CN200D
1
D204D
250mA Vz3.9v
1
2
2
3
1K 1W
R206D
D209D
6.8K
R200D
0.01u
C200D
Q202D
E
C
B
FG
FG
33K
R210D
15K
R209D
56K
R208D
ZNR203D
68
1/4W
R204D
12K
R211D
10K
R221D
+3.3V
VAG
D203D
D202D
C204D
50V/2.2
270
R220D
C208D 50V/1u
EXT[4]
EXT[3]
0
R216D
1K
R219D
RL201D
1
8
AG
AG
AG
AG
AG
68
R205D
6.8K
R201D
6.8K
R200C
0.01u
C200C
D202C
C208C
50V/1u
Q200C
E
C
B
FG
AG
C204C
50V/2.2
ZNR202C
ZNR200C
AG
270
R220C
68
1/4W
R204C
AG
Q202C
E
C
B
FG
4
CN200C
1
ZNR201C
ZNR203C
2
TP215C
TP207C
TP204C
TP207D
TP205D
TP214D
TP215D
TP216D
TP225D
TP208D
TP230D
TP212D
TP206C
TP213D
TP222D
TP230C
TP210D
TP218D
TP217D
TP206D
TP211D
TP212C
TP220D
TP204D
TP210C
D208D
3
L204D
1.5mH
L204C
1.5mH
TH2D
TH2C
TP227D
DA200D
1
2
3
D208C
3
T200D
1
3
4
5
T200C
1
3
4
5
TP202D
TP202C
TP203D
TP209D
TP219D
TP219C
Q203D
E
C
B
Q209C
E
C
B
Q209D
E
C
B
Q201D
E
C
B
RL201D
2
3
4
RL201C
2
3
4
RL201D
7
6
5
+15V
+15V
+15V
+27V
+27V
AG
AG
AG
U200D
1
6
2
4
3
5
TP221D
10K
R218D
Q207D
E
C
B
22
1/4W
R202D
22
1/4W
R203D
22
1/4W
R202C
FG
0.01u
C209D
0.01u
C207D
0.01u
C210D
FG
0.01u
C209C
0.01u
C207C
0.01u
C210C
TP231D
TP201D
TP232D
TP200D
J205D
NC
L205D
12
3
4
J204D
NC
J204C
TP231C
TP201C
L205C
NC
3
4
2
1
NC
R222D
NC
R222C
C202D
10u
C203D
10u
C202C
10u
D1D
TXPWR
D1C
TXPWR
HOOK[4]
BELL[4]
RXD
TD
RD
TC
D
m
b
m
b
m
b
1
2
1
2
1
2
D
C
B
A
456
3
2
1
PROTECTOR
OVER CURRENT
LIMITTER
PROTECTOR
OVER CURRENT
LIMITTER
66
KX-TEA308NE
Summary of Contents for KX-TEA308NE
Page 5: ...1 2 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 5 KX TEA308NE ...
Page 6: ...6 KX TEA308NE ...
Page 12: ...6 NAMES AND LOCATIONS 7 CONNECTION 7 1 SERIAL INTERFACE CONNECTION 12 KX TEA308NE ...
Page 15: ...9 BLOCK DIAGRAM 9 1 SYSTEM BLOCK DIAGRAM 15 KX TEA308NE ...
Page 27: ...27 KX TEA308NE ...
Page 39: ...12 2 NO DIAL TONE 39 KX TEA308NE ...
Page 40: ...12 3 CANNOT DIAL 40 KX TEA308NE ...
Page 42: ...12 7 CANNOT SEND DTMF DIALING 12 8 CANNOT RECEIVE CALL DIAL TONE 42 KX TEA308NE ...
Page 43: ...12 9 CANNOT SEND A HOLD ON MUSIC 43 KX TEA308NE ...
Page 47: ...14 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 47 KX TEA308NE ...
Page 49: ...16 FIXTURES AND TOOLS 49 KX TEA308NE ...
Page 50: ...17 CABINET AND ELECTRICAL PARTS LOCATION 50 KX TEA308NE ...
Page 51: ...18 ACCESSORIES AND PACKING MATERIALS 51 KX TEA308NE ...
Page 65: ...65 KX TEA308NE ...
Page 92: ...23 KX TE82460NE 2 PORT DOORPHONE CARD 92 KX TEA308NE ...
Page 93: ...23 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 93 KX TEA308NE ...
Page 105: ...24 KX TE82492NE 2 CHANNEL VOICE MESSAGE CARD 105 KX TEA308NE ...
Page 106: ...24 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 106 KX TEA308NE ...
Page 110: ...24 5 TROUBLESHOOTING GUIDE 24 5 1 PBX cannot work 110 KX TEA308NE ...
Page 111: ...24 5 2 Cannot Erase 24 5 3 Cannot Record Playback 111 KX TEA308NE ...
Page 119: ...25 KX TE82493NE 3 PORT CALLER ID CARD 119 KX TEA308NE ...
Page 120: ...25 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 120 KX TEA308NE ...
Page 133: ...26 KX A227X BACK UP BATTERY CABLE 133 KX TEA308NE ...
Page 134: ...26 1 ACCESSORIES AND PACKING MATERIALS 134 KX TEA308NE ...